The Primus Trail Knit Firm Ground is for barefoot runners who want to feel the ground beneath their feet and the wind in their soul

HillGrip outsole is durable and offers secure traction on mixed terrain

Now available in darker tones and a premium vegan suede touch

At the request of our customers

Connect 4 Toe Spacers The Primus Trail Knit FirmAbout Connect4 Features an advanced BottleYarn mesh upper thats lighter and tougher, delivering superior performance and durability. Waterproof and breathable bootee lining. The grippy HillGrip outsole offers reliable traction on challenging, softer terrain, easy trails, and urban settings.